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authorJiri Slaby <jirislaby@gmail.com>2009-05-04 18:04:55 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-06-15 09:40:12 -0700
commit5a28cafbab1d07e4161f00678b6a45620a2c2e4f (patch)
treef445a3e6cd7856e118e2d78a0e32487a9ad17390
parent485e8e39a85e8178978252cd17f218e6787851ee (diff)
mac80211: minstrel, fix memory corruption
commit 8e532175277d9a5eae49768ed086555081f741a7 upstream. minstrel doesn't count max rate count in fact, since it doesn't use a loop variable `i' and hence allocs space only for bitrates found in the first band. Fix it by involving the `i' as an index so that it traverses all the bands now and finds the real max bitrate count. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--net/mac80211/rc80211_minstrel.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 3824990d340b..70df3dcc3cf6 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -476,7 +476,7 @@ minstrel_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
return NULL;
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
- sband = hw->wiphy->bands[hw->conf.channel->band];
+ sband = hw->wiphy->bands[i];
if (sband->n_bitrates > max_rates)
max_rates = sband->n_bitrates;
}